Uninterruptible Power Supply - Vertiv

Uninterruptible Power Supply

An uninterruptible power supply, also uninterruptible power source, UPS or battery/flywheel backup, is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails. A UPS differs from an auxiliary or emergency power system or standby generator in that it will provide near-instantaneous protection from input power interruptions, by supplying energy stored in batteries, supercapacitors, or flywheels. The on-battery runtime of most uninterruptible power sources is relatively short (only a few minutes) but sufficient to start a standby power source or properly shut down the protected equipment.

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Emerson Network Power - Surge Protection

Surge protection is a smart investment in preventing not only equipment loss, but the potential loss of critical information.
Possibly the surveillance video itself.Emerson Network Power recommends the following:

1. Install surge protection devices on all components connected to wiring entering or exiting a building.
As detailed in the diagram below, a typical surveillance system is directly or indirectly connected to a building’s main
electrical service panel. AC power, data lines and coaxial cables...are all vulnerable to surges and transients. A single
surge event affecting exterior equipment, (like cameras), can follow a path leading back into a building, affecting interior
equipment as well. DVRs, interior cameras, midspans and power supplies may not have received the initial surge, but
because these components are connected, the entire system is at risk of damage or even destruction.

2. Install surge protection devices directly on the electrical service panel, along with each individual piece of
equipment (both interior and exterior).
The risk of damage from a surge event isn’t limited to only the interior and exterior video surveillance equipment...
loads, such as HVAC units, lighting and signage can be affected by a surge event occurring elsewhere.

AC Power

Protect with a UL 1449, Type 1 Surge Protective Device, (SPD). Installing AC surge
protection as a first line of defense ensures that all panels and equipment connected
to the system will not act as a conduit for transient impulses to disrupt or damage
downstream components.

DC Power

Installing surge protection directly at your equipment ensures that your devices are
isolated from impulses that may be induced on exposed, long wire runs.

Coaxial

Protect with a UL 497 approved SPD. Installing coaxial based surge protection directly at
your equipment ensures your devices are isolated from impulses that may be induced on
exposed, long cable runs. For complete protection, install a device at both the camera
and head-end of the system.

Data

Protect with a UL 497 approved SPD. Installing a surge protective device to protect your
RS-485 data lines is critical. Data can be disrupted via surge impulses or sneak currents at
impulse levels of less than 10 volts. For complete protection, install a device at both the
PTZ camera and head-end of the system.

Ethernet

Protect your Category 5 or 6 ethernet lines and POE devices with a properly sized SPD.
Long cable runs to exposed locations can provide a direct path for induced transients to
disrupt devices and may provide a conduit for transients to enter your network.

Rackmount (Head-End)

Protect multiple AC, Coax and POE connections within your camera/network rack.
Interactions with AC power panels, long, exposed cable runs and access to your business
network switches, makes this one of the most vulnerable and critical “SURGEHOTSpots”
within your surveillance system.